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LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Proceeds from the sale of mortgage loans |  |  | $ 91,258 | $ 95,804 |
Gain on sale of mortgage loans |  |  | (1,005) | (848) |
Loans held for sale, at fair value (book value of $22,361 and $10,923, respectively) | $ 22,567 |  | $ 22,567 |  | $ 11,049
Other industry exposures |  |  | 0 |  |
Non-Accrual Loans | 18,177 |  | $ 18,177 |  | 4,829
Loans outstanding | 4,931,369 |  | 4,931,369 |  | 4,115,259
Loans and Leases Receivable, Excluded Accrued Interest from Amortized Cost | 16,000 |  | 16,000 |  | 12,700
FHLB advances, general debt obligations, pledged collateral | 2,200,000 |  | 2,200,000 |  | 1,900,000
Loans And Leases Receivable Impaired Interest Income Foregone | 183 | $ 61 | 256 | 104 |
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 6,300 |  |  |  |
Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) | 5,900 |  |  |  |
Residential real estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Proceeds from the sale of mortgage loans | 48,400 | 53,500 | 90,300 | 95,000 |
Gain on sale of mortgage loans | (508) | (378) | (1,000) | (848) |
Loans held for sale, at fair value (book value of $22,361 and $10,923, respectively) | 22,400 |  | 22,400 |  | 10,900
Unrealized gain (loss) on loans held for sale |  |  | 206 |  | 126
Non-Accrual Loans | 3,678 |  | 3,678 |  | 1,891
Loans outstanding | 2,018,332 |  | 2,018,332 |  | 1,752,249
Mortgage Loans in Process of Foreclosure, Amount | 543 |  | 543 |  | 1,000
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) | 182 | $ 76 | 80 | $ 9 |
Commercial real estate - non-owner-occupied |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Non-Accrual Loans | 127 |  | 127 |  | 129
Loans outstanding | 1,704,593 |  | 1,704,593 |  | 1,387,252
Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Non-Accrual Loans | 13,514 |  | 13,514 |  | 1,927
Loans outstanding | 506,883 |  | 506,883 |  | 382,785
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 12,000 |  |  |  |
Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) | 6,000 |  |  |  |
Home equity |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Non-Accrual Loans | 834 |  | 834 |  | 434
Loans outstanding | 297,963 |  | 297,963 |  | 253,251
Consumer |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Non-Accrual Loans | 6 |  | 6 |  | 18
Loans outstanding | $ 18,214 |  | $ 18,214 |  | $ 15,010
Non-Residential Building Operators Industry Sector | Loan Concentration Risk | Total Loan Portfolio |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Concentration risk (percentage) |  |  | 13.00% |  |
Non-Residential Building Operators Industry Sector | Loan Concentration Risk | Commercial Real Estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Concentration risk (percentage) |  |  | 31.00% |  |
Residential Building Operators Industry Sector | Loan Concentration Risk | Commercial Real Estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Concentration risk (percentage) |  |  | 30.00% |  |

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